AU4532779A - Hydraulic wrench - Google Patents

Hydraulic wrench

Info

Publication number: AU4532779A
Authority: AU; Australia
Prior art keywords: hydraulic wrench; wrench; hydraulic
Prior art date: 1978-08-14
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

AU45327/79A

Other versions

AU520985B2 (en

Inventor

John K. Junkers

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-08-14

Filing date

1979-03-22

Publication date

1980-02-21

1979-03-22 Application filed by Individual filed Critical Individual

1980-02-21 Publication of AU4532779A publication Critical patent/AU4532779A/en

1982-03-11 Application granted granted Critical

1982-03-11 Publication of AU520985B2 publication Critical patent/AU520985B2/en

1995-03-22 Anticipated expiration legal-status Critical

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
- B25B21/004—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type
- B25B21/005—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose of the ratchet type driven by a radially acting hydraulic or pneumatic piston

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Actuator (AREA)

AU45327/79A 1978-08-14 1979-03-22 Hydraulic wrench Expired AU520985B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US933134		1978-08-14
US90/002889A US4201099B1 (en)	1978-08-14	1978-08-14	Hydraulic wrench

Publications (2)

Publication Number	Publication Date
AU4532779A true AU4532779A (en)	1980-02-21
AU520985B2 AU520985B2 (en)	1982-03-11

Family

ID=25463425

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU45327/79A Expired AU520985B2 (en)	1978-08-14	1979-03-22	Hydraulic wrench

Country Status (8)

Country	Link
US (1)	US4201099B1 (en)
JP (1)	JPS603558B2 (en)
AU (1)	AU520985B2 (en)
DE (2)	DE2916497C2 (en)
FR (1)	FR2433394A1 (en)
GB (1)	GB2028204B (en)
IT (1)	IT1110901B (en)
SE (1)	SE441251B (en)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2914422C2 (en) *	1979-04-10	1985-09-12	Sumitomo Metal Industries, Ltd., Osaka	Screwing device with two key parts arranged at a distance from one another
US4336727A (en) *	1980-02-28	1982-06-29	Junkers John K	Hydraulic wrench for limited space application
US4440046A (en) *	1980-03-05	1984-04-03	Paul-Heinz Wagner	Power wrench
US4524651A (en) *	1981-04-03	1985-06-25	Paul-Heinz Wagner	Power wrench
DE3113481A1 (en) *	1981-04-03	1982-10-28	Wagner, Paul-Heinz, 5203 Much	"POWER SCREWDRIVER"
DE3323904A1 (en) *	1983-07-02	1985-01-10	Paul-Heinz 5203 Much Wagner	TURNING TOOL
EP0142933A1 (en) *	1983-11-23	1985-05-29	John K. Junkers	Manual ratchet torque wrench with amplifier
DE3407126A1 (en) *	1984-02-28	1985-08-29	Enerpac GmbH, 4300 Essen	POWER SCREWDRIVER WITH A TENSION WHEEL WITH A FINE-STAGE TOOTHING
DE3413202A1 (en) *	1984-04-07	1985-10-17	Wagner, Paul-Heinz, 5203 Much	POWER SCREWDRIVER
DE3416879A1 (en) *	1984-05-08	1985-11-14	Hohmann, Hans, 5778 Meschede	Hydraulically operated nut-runner
DE3416881C2 (en) *	1984-05-08	1986-04-30	Hohmann, Hans, 5778 Meschede	Pressure medium operated, in particular hydraulic ratchet wrenches
JPS61100377A (en) *	1984-10-22	1986-05-19	ジヨン　ケイ　ユンカ−ス	Fluid pressure wrench
DE8435272U1 (en) *	1984-12-01	1985-02-28	Wagner, Paul-Heinz, 5203 Much	HYDRAULIC SCREWDRIVER
US4669338A (en) *	1985-10-11	1987-06-02	Collins Bobby W	Ratcheting box wrench
US4753139A (en) *	1986-09-30	1988-06-28	Junkers John K	Fluid-operated wrench
US4794825A (en) *	1986-11-03	1989-01-03	Atlantic-Caribbean Products, Inc.	Hydraulic power wrench
GB8701194D0 (en) *	1987-01-20	1987-02-25	Hedley Purvis Ltd	Torque wrenches
US4825730A (en) *	1987-09-29	1989-05-02	Junkers John K	Fluid operated wrench
GB8902659D0 (en) *	1989-02-07	1989-03-30	Hedley Purvis Ltd	Improved hydraulic torque wrench
DE3917828C1 (en) *	1989-06-01	1990-12-20	Wagner, Paul-Heinz, 5203 Much, De	Hydraulic socket spanner with revolving ring - has piston linked to piston rod connected to ratchet
US5203238A (en) *	1989-10-27	1993-04-20	Raymond Engineering Inc.	Low profile rack and pinion wrench
JPH03196977A (en) *	1989-12-15	1991-08-28	John K Junkers	Power wrench
JPH0755453B2 (en) *	1990-10-08	1995-06-14	ジョーンケイジャンカーズ	Fluid operated wrench
US5263388A (en) *	1991-04-10	1993-11-23	Paul-Heinz Wagner	Power wrench
DE4111631A1 (en) *	1991-04-10	1992-10-15	Wagner Paul Heinz	POWER SCREWDRIVER
US5318397A (en) *	1992-05-07	1994-06-07	Junkers John K	Mechanical tensioner
US5499558A (en) *	1992-05-07	1996-03-19	Junkers; John K.	Fluid operated tool for elongating and relaxing a threaded connector
DE4330726C1 (en) *	1993-09-10	1995-02-23	Wagner Paul Heinz	Power screwdriver/wrench
BE1007526A3 (en) *	1993-10-25	1995-07-25	Torrekens Daniel Octaaf Ghisla	TIGHTENING WRENCH.
BE1007527A3 (en) *	1993-10-29	1995-07-25	Daniel Octaaf Ghisla Torrekens	Method and device for controlling a double effect cylinder operated fluid under pressure.
RU2145278C1 (en) *	1995-08-18	2000-02-10	Джон К. Джанкерс	Hydraulic tool for axially moving threaded connecting device
US6408720B2 (en)	1999-04-30	2002-06-25	Bobby W. Collins	Offset hydraulic runner apparatus
US6112622A (en) *	1999-05-03	2000-09-05	Unex Corporation	Fluid-operated tool
US6298752B1 (en) *	1999-06-25	2001-10-09	John K. Junkers	Continuous fluid-operated wrench
US6289770B1 (en)	2000-06-20	2001-09-18	Bobby Collins	Power wrench safety switch
US6802235B2 (en)	2002-01-04	2004-10-12	Unex Corporation	Fluid-operated torque wrench
US20050211026A1 (en) *	2004-03-26	2005-09-29	Ming-Kun Cheng	Head of a power ratchet tool
US7062993B2 (en)	2004-09-15	2006-06-20	Raymond Shaw	Torque wrench
US7146880B1 (en)	2004-12-06	2006-12-12	Francis Services, Inc.	Torque wrench system
DE202006004380U1 (en)	2006-03-21	2007-07-26	Wagner, Paul-Heinz	power wrench
US7497147B2 (en) *	2006-09-12	2009-03-03	Unex Corporation	Torque tool for tightening or loosening connections, and method of tightening or loosening the same
WO2011100258A1 (en) *	2010-02-09	2011-08-18	Titan Technologies International, Inc.	Hydraulic torque for tight clearance
ES2402970B1 (en) *	2011-07-15	2014-03-21	Asociación De Investigación Metalúrgica Del Noroeste - Aimen	TIGHTENING TOOL WITH HYDRAULIC DRIVE.
US8763497B2 (en)	2011-08-22	2014-07-01	Donald James Novkov	Hydraulic wrench extension
US9289885B2 (en) *	2013-03-15	2016-03-22	Sp Air Kabushiki Kaisha	Ratchet wrench having an end cap
US20160311089A1 (en) *	2015-04-22	2016-10-27	John D. Davis	Hydraulic Torque Wrench with Stacked Drive Plate Cartridge, Multiple Cartridge Pawls and Snap-in Retract Lock
WO2018232067A1 (en) *	2017-06-14	2018-12-20	HYTORC Division Unex Corporation	Apparatus for tightening threaded fasteners
GB2573169A (en) *	2018-04-27	2019-10-30	Hire Torque Ltd	A drive link
CN115383452B (en) *	2022-08-31	2025-04-15	四川腾菲克科技有限公司	An intelligent hydraulic stretcher and its hydraulic system
USD1042067S1 (en) *	2023-02-28	2024-09-17	Primesource Consulting Llc	Limited clearance tool

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DD62789A (en) *
US985013A (en) *	1909-12-27	1911-02-21	Nickel Mfg Company	Air-pump.
US1812816A (en) *	1930-04-24	1931-06-30	Gen Electric	Power wrench
GB459703A (en) *	1936-08-18	1937-01-13	Independent Pneumatic Tool Co	Hammer wrenches
US2836090A (en) *	1957-02-21	1958-05-27	Frank R Ray	Fluid pressure operated torque wrench
CH433147A (en) *	1966-02-16	1967-03-31	Hofmann Rudolf	Device driven by a pressure medium for tightening screws, nuts and bolts and for drilling, thread cutting and other work
DE1961908C3 (en) *	1969-12-05	1975-09-04	Mannesmann-Meer Ag, 4050 Moenchengladbach	Device for stepless adjustment of the stroke volume in hydraulic fluid swashplate axial piston pumps or motors
US3745858A (en) *	1971-04-19	1973-07-17	J Biach	Torquing device
US3759119A (en) *	1971-09-13	1973-09-18	G Wing	Internally reactive structural joinder system
DE2346251A1 (en) *	1973-09-13	1975-03-27	George Seabrook Wing	Nut bolt connection impact wrench - uses hydraulic pressure via lever to pull nut down to desired torque
US3930776A (en) *	1974-08-16	1976-01-06	Unex Corporation	Hydraulic wrench
US4027561A (en) *	1975-11-19	1977-06-07	Junkers John K	Hydraulic wrench
US4183260A (en) *	1976-07-14	1980-01-15	Paul-Heinz Wagner Maschinenfabrikation	Tool for rotating nuts, bolts and like fasteners
GB1584068A (en) *	1976-10-19	1981-02-04	Junkers J	Hydraulic wrench

1978
- 1978-08-14 US US90/002889A patent/US4201099B1/en not_active Expired - Lifetime
1979
- 1979-01-04 GB GB7900317A patent/GB2028204B/en not_active Expired
- 1979-01-18 FR FR7901218A patent/FR2433394A1/en active Granted
- 1979-01-18 IT IT19403/79A patent/IT1110901B/en active
- 1979-02-06 SE SE7901011A patent/SE441251B/en not_active IP Right Cessation
- 1979-03-22 AU AU45327/79A patent/AU520985B2/en not_active Expired
- 1979-03-22 JP JP54033771A patent/JPS603558B2/en not_active Expired
- 1979-04-24 DE DE2916497A patent/DE2916497C2/en not_active Expired
- 1979-04-24 DE DE19797911933U patent/DE7911933U1/en not_active Expired

Also Published As

Publication number	Publication date
US4201099B1 (en)	1993-12-07
US4201099A (en)	1980-05-06
DE7911933U1 (en)	1980-09-11
IT7919403A0 (en)	1979-01-18
SE441251B (en)	1985-09-23
FR2433394B1 (en)	1985-03-22
JPS5590276A (en)	1980-07-08
DE2916497A1 (en)	1980-02-28
GB2028204B (en)	1982-08-11
GB2028204A (en)	1980-03-05
IT1110901B (en)	1986-01-13
DE2916497C2 (en)	1982-12-02
JPS603558B2 (en)	1985-01-29
AU520985B2 (en)	1982-03-11
FR2433394A1 (en)	1980-03-14
SE7901011L (en)	1980-02-15

Publication	Publication Date	Title
US4201099B1 (en)	1993-12-07	Hydraulic wrench
AU526645B2 (en)	1983-01-20	Filter wrench
AU534506B2 (en)	1984-02-02	Mineral-clad ligneus bodies
AU516363B2 (en)	1981-05-28	Press
AU519612B2 (en)	1981-12-10	Dual-purpose hydraulic fluid
AU525640B2 (en)	1982-11-18	Hydraulic fluids
AU4799379A (en)	1980-12-18	Ratchet wrench
AU528569B2 (en)	1983-05-05	Torque wrench
AU518695B2 (en)	1981-10-15	Hydraulic anti-skid device
JPS5537288A (en)	1980-03-15	Torque wrench
AU3650578A (en)	1979-11-29	Wrench
AU537999B2 (en)	1984-07-26	Wrench
JPS54150000A (en)	1979-11-24	Torque wrench
SU676741A2 (en)	1979-07-30	Hydraulic distributor
AU527090B2 (en)	1983-02-17	Values
SU670725A2 (en)	1979-06-30	Entry-driving cutting-loader working member
JPS54122499A (en)	1979-09-22	Torque wrench
AU532403B2 (en)	1983-09-29	Valves
AU537430B2 (en)	1984-06-21	Hydraulic press
AU4628979A (en)	1979-11-01	Hand-tool
AU4837279A (en)	1980-01-03	Hydraulic press
AU520327B2 (en)	1982-01-28	Subterrainean hydraulic mining
AU523275B2 (en)	1982-07-22	Raise bit
AU532792B2 (en)	1983-10-13	Graining tool
AU532225B2 (en)	1983-09-22	Valves